http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Doing data analysis with SPSS® version 12.0
Xác suất thống kê và phép thí nghiệm - KHCT,Ứng dụng công nghệ thông tin trong dạy học Sinh học